/***********************************************************************
* EMFDRV_Rectangle
*/
BOOL
EMFDRV_Rectangle(PHYSDEV dev, INT left, INT top, INT right, INT bottom)
{
EMRRECTANGLE emr;
INT temp;
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
TRACE("%d,%d - %d,%d\n", left, top, right, bottom);
if(left == right || top == bottom) return FALSE;
if(left > right) {temp = left; left = right; right = temp;}
if(top > bottom) {temp = top; top = bottom; bottom = temp;}
if(GetGraphicsMode(physDev->hdc) == GM_COMPATIBLE) {
right--;
bottom--;
}
emr.emr.iType = EMR_RECTANGLE;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = left;
emr.rclBox.top = top;
emr.rclBox.right = right;
emr.rclBox.bottom = bottom;
EMFDRV_UpdateBBox( dev, &emr.rclBox );
return EMFDRV_WriteRecord( dev, &emr.emr );
}
/**********************************************************************
* EMFDRV_Polylinegon
*
* Helper for EMFDRV_Poly{line|gon}
*/
static BOOL
EMFDRV_Polylinegon( PHYSDEV dev, const POINT* pt, INT count, DWORD iType )
{
EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
DC *dc = get_physdev_dc( dev );
EMRPOLYLINE *emr;
DWORD size;
BOOL ret, use_small_emr = can_use_short_points( pt, count );
size = use_small_emr ? offsetof( EMRPOLYLINE16, apts[count] ) : offsetof( EMRPOLYLINE, aptl[count] );
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = use_small_emr ? iType + EMR_POLYLINE16 - EMR_POLYLINE : iType;
emr->emr.nSize = size;
emr->cptl = count;
store_points( emr->aptl, pt, count, use_small_emr );
if (!physDev->path)
get_points_bounds( &emr->rclBounds, pt, count,
(iType == EMR_POLYBEZIERTO || iType == EMR_POLYLINETO) ? dc : 0 );
else
emr->rclBounds = empty_bounds;
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if (ret && !physDev->path)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
/***********************************************************************
* EMFDRV_LineTo
*/
BOOL EMFDRV_LineTo( PHYSDEV dev, INT x, INT y )
{
EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
DC *dc = get_physdev_dc( dev );
POINT pt;
EMRLINETO emr;
RECTL bounds;
emr.emr.iType = EMR_LINETO;
emr.emr.nSize = sizeof(emr);
emr.ptl.x = x;
emr.ptl.y = y;
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
return FALSE;
pt = dc->cur_pos;
bounds.left = min(x, pt.x);
bounds.top = min(y, pt.y);
bounds.right = max(x, pt.x);
bounds.bottom = max(y, pt.y);
if(!physDev->path)
EMFDRV_UpdateBBox( dev, &bounds );
return TRUE;
}
/***********************************************************************
* EMFDRV_Ellipse
*/
BOOL EMFDRV_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
{
EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
DC *dc = get_physdev_dc( dev );
EMRELLIPSE emr;
INT temp;
TRACE("%d,%d - %d,%d\n", left, top, right, bottom);
if(left == right || top == bottom) return FALSE;
if(left > right) {temp = left; left = right; right = temp;}
if(top > bottom) {temp = top; top = bottom; bottom = temp;}
if(dc->GraphicsMode == GM_COMPATIBLE) {
right--;
bottom--;
}
emr.emr.iType = EMR_ELLIPSE;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = left;
emr.rclBox.top = top;
emr.rclBox.right = right;
emr.rclBox.bottom = bottom;
if(!physDev->path)
EMFDRV_UpdateBBox( dev, &emr.rclBox );
return EMFDRV_WriteRecord( dev, &emr.emr );
}
/***********************************************************************
* EMFDRV_RoundRect
*/
BOOL
EMFDRV_RoundRect( PHYSDEV dev, INT left, INT top, INT right,
INT bottom, INT ell_width, INT ell_height )
{
EMRROUNDRECT emr;
INT temp;
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
if(left == right || top == bottom) return FALSE;
if(left > right) {temp = left; left = right; right = temp;}
if(top > bottom) {temp = top; top = bottom; bottom = temp;}
if(GetGraphicsMode(physDev->hdc) == GM_COMPATIBLE) {
right--;
bottom--;
}
emr.emr.iType = EMR_ROUNDRECT;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = left;
emr.rclBox.top = top;
emr.rclBox.right = right;
emr.rclBox.bottom = bottom;
emr.szlCorner.cx = ell_width;
emr.szlCorner.cy = ell_height;
EMFDRV_UpdateBBox( dev, &emr.rclBox );
return EMFDRV_WriteRecord( dev, &emr.emr );
}
/***********************************************************************
* EMFDRV_LineTo
*/
BOOL
EMFDRV_LineTo( PHYSDEV dev, INT x, INT y )
{
POINT pt;
EMRLINETO emr;
RECTL bounds;
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
emr.emr.iType = EMR_LINETO;
emr.emr.nSize = sizeof(emr);
emr.ptl.x = x;
emr.ptl.y = y;
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
return FALSE;
GetCurrentPositionEx(physDev->hdc, &pt);
bounds.left = min(x, pt.x);
bounds.top = min(y, pt.y);
bounds.right = max(x, pt.x);
bounds.bottom = max(y, pt.y);
EMFDRV_UpdateBBox( dev, &bounds );
return TRUE;
}
/*********************************************************************
* EMFDRV_FrameRgn
*/
BOOL EMFDRV_FrameRgn( PHYSDEV dev, HRGN hrgn, HBRUSH hbrush, INT width, INT height )
{
EMRFRAMERGN *emr;
DWORD size, rgnsize, index;
BOOL ret;
index = EMFDRV_CreateBrushIndirect( dev, hbrush );
if(!index) return FALSE;
rgnsize = GetRegionData( hrgn, 0, NULL );
size = rgnsize + offsetof(EMRFRAMERGN,RgnData);
emr = HeapAlloc( GetProcessHeap(), 0, size );
GetRegionData( hrgn, rgnsize, (RGNDATA *)&emr->RgnData );
emr->emr.iType = EMR_FRAMERGN;
emr->emr.nSize = size;
emr->rclBounds.left = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.left;
emr->rclBounds.top = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.top;
emr->rclBounds.right = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.right - 1;
emr->rclBounds.bottom = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.bottom - 1;
emr->cbRgnData = rgnsize;
emr->ihBrush = index;
emr->szlStroke.cx = width;
emr->szlStroke.cy = height;
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
/**********************************************************************
* EMFDRV_PolyDraw
*/
BOOL EMFDRV_PolyDraw( PHYSDEV dev, const POINT *pts, const BYTE *types, DWORD count )
{
EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
EMRPOLYDRAW *emr;
BOOL ret;
BYTE *types_dest;
BOOL use_small_emr = can_use_short_points( pts, count );
DWORD size;
size = use_small_emr ? offsetof( EMRPOLYDRAW16, apts[count] ) : offsetof( EMRPOLYDRAW, aptl[count] );
size += (count + 3) & ~3;
if (!(emr = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
emr->emr.iType = use_small_emr ? EMR_POLYDRAW16 : EMR_POLYDRAW;
emr->emr.nSize = size;
emr->cptl = count;
types_dest = store_points( emr->aptl, pts, count, use_small_emr );
memcpy( types_dest, types, count );
if (count & 3) memset( types_dest + count, 0, 4 - (count & 3) );
if (!physDev->path)
get_points_bounds( &emr->rclBounds, pts, count, 0 );
else
emr->rclBounds = empty_bounds;
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if (ret && !physDev->path) EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
/*********************************************************************
* EMFDRV_PaintInvertRgn
*
* Helper for EMFDRV_{Paint|Invert}Rgn
*/
static BOOL EMFDRV_PaintInvertRgn( PHYSDEV dev, HRGN hrgn, DWORD iType )
{
EMRINVERTRGN *emr;
DWORD size, rgnsize;
BOOL ret;
rgnsize = GetRegionData( hrgn, 0, NULL );
size = rgnsize + offsetof(EMRINVERTRGN,RgnData);
emr = HeapAlloc( GetProcessHeap(), 0, size );
GetRegionData( hrgn, rgnsize, (RGNDATA *)&emr->RgnData );
emr->emr.iType = iType;
emr->emr.nSize = size;
emr->rclBounds.left = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.left;
emr->rclBounds.top = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.top;
emr->rclBounds.right = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.right - 1;
emr->rclBounds.bottom = ((RGNDATA *)&emr->RgnData)->rdh.rcBound.bottom - 1;
emr->cbRgnData = rgnsize;
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
INT EMFDRV_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT heightDst,
INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, const void *bits,
BITMAPINFO *info, UINT wUsage, DWORD dwRop )
{
EMRSTRETCHDIBITS *emr;
BOOL ret;
UINT bmi_size, emr_size;
/* calculate the size of the colour table */
bmi_size = get_dib_info_size(info, wUsage);
emr_size = sizeof (EMRSTRETCHDIBITS) + bmi_size + info->bmiHeader.biSizeImage;
emr = HeapAlloc(GetProcessHeap(), 0, emr_size );
if (!emr) return 0;
/* write a bitmap info header (with colours) to the record */
memcpy( &emr[1], info, bmi_size);
/* write bitmap bits to the record */
memcpy ( ( (BYTE *) (&emr[1]) ) + bmi_size, bits, info->bmiHeader.biSizeImage);
/* fill in the EMR header at the front of our piece of memory */
emr->emr.iType = EMR_STRETCHDIBITS;
emr->emr.nSize = emr_size;
emr->xDest = xDst;
emr->yDest = yDst;
emr->cxDest = widthDst;
emr->cyDest = heightDst;
emr->dwRop = dwRop;
emr->xSrc = xSrc; /* FIXME: only save the piece of the bitmap needed */
emr->ySrc = ySrc;
emr->iUsageSrc = wUsage;
emr->offBmiSrc = sizeof (EMRSTRETCHDIBITS);
emr->cbBmiSrc = bmi_size;
emr->offBitsSrc = emr->offBmiSrc + bmi_size;
emr->cbBitsSrc = info->bmiHeader.biSizeImage;
emr->cxSrc = widthSrc;
emr->cySrc = heightSrc;
emr->rclBounds.left = xDst;
emr->rclBounds.top = yDst;
emr->rclBounds.right = xDst + widthDst;
emr->rclBounds.bottom = yDst + heightDst;
/* save the record we just created */
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree(GetProcessHeap(), 0, emr);
return ret ? heightSrc : GDI_ERROR;
}
/**********************************************************************
* EMFDRV_PolyPolylinegon
*
* Helper for EMFDRV_PolyPoly{line|gon}
*/
static BOOL
EMFDRV_PolyPolylinegon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polys,
DWORD iType)
{
EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
EMRPOLYPOLYLINE *emr;
DWORD cptl = 0, poly, size;
BOOL ret, use_small_emr, bounds_valid = TRUE;
for(poly = 0; poly < polys; poly++) {
cptl += counts[poly];
if(counts[poly] < 2) bounds_valid = FALSE;
}
if(!cptl) bounds_valid = FALSE;
use_small_emr = can_use_short_points( pt, cptl );
size = FIELD_OFFSET(EMRPOLYPOLYLINE, aPolyCounts[polys]);
if(use_small_emr)
size += cptl * sizeof(POINTS);
else
size += cptl * sizeof(POINTL);
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = iType;
if(use_small_emr) emr->emr.iType += EMR_POLYPOLYLINE16 - EMR_POLYPOLYLINE;
emr->emr.nSize = size;
if(bounds_valid && !physDev->path)
get_points_bounds( &emr->rclBounds, pt, cptl, 0 );
else
emr->rclBounds = empty_bounds;
emr->nPolys = polys;
emr->cptl = cptl;
if(polys)
{
memcpy( emr->aPolyCounts, counts, polys * sizeof(DWORD) );
store_points( (POINTL *)(emr->aPolyCounts + polys), pt, cptl, use_small_emr );
}
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret && !bounds_valid)
{
ret = FALSE;
SetLastError( ERROR_INVALID_PARAMETER );
}
if(ret && !physDev->path)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
/**********************************************************************
* EMFDRV_GradientFill
*/
BOOL EMFDRV_GradientFill( PHYSDEV dev, TRIVERTEX *vert_array, ULONG nvert,
void *grad_array, ULONG ngrad, ULONG mode )
{
EMRGRADIENTFILL *emr;
ULONG i, pt, size, num_pts = ngrad * (mode == GRADIENT_FILL_TRIANGLE ? 3 : 2);
const ULONG *pts = (const ULONG *)grad_array;
BOOL ret;
size = FIELD_OFFSET(EMRGRADIENTFILL, Ver[nvert]) + num_pts * sizeof(pts[0]);
emr = HeapAlloc( GetProcessHeap(), 0, size );
if (!emr) return FALSE;
for (i = 0; i < num_pts; i++)
{
pt = pts[i];
if (i == 0)
{
emr->rclBounds.left = emr->rclBounds.right = vert_array[pt].x;
emr->rclBounds.top = emr->rclBounds.bottom = vert_array[pt].y;
}
else
{
if (vert_array[pt].x < emr->rclBounds.left)
emr->rclBounds.left = vert_array[pt].x;
else if (vert_array[pt].x > emr->rclBounds.right)
emr->rclBounds.right = vert_array[pt].x;
if (vert_array[pt].y < emr->rclBounds.top)
emr->rclBounds.top = vert_array[pt].y;
else if (vert_array[pt].y > emr->rclBounds.bottom)
emr->rclBounds.bottom = vert_array[pt].y;
}
}
emr->rclBounds.right--;
emr->rclBounds.bottom--;
emr->emr.iType = EMR_GRADIENTFILL;
emr->emr.nSize = size;
emr->nVer = nvert;
emr->nTri = ngrad;
emr->ulMode = mode;
memcpy( emr->Ver, vert_array, nvert * sizeof(vert_array[0]) );
memcpy( emr->Ver + nvert, pts, num_pts * sizeof(pts[0]) );
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
ret = EMFDRV_WriteRecord( dev, &emr->emr );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
/**********************************************************************
* EMFDRV_Polylinegon16
*
* Helper for EMFDRV_Poly{line|gon}
*
* This is not a legacy function!
* We are using SHORT integers to save space.
*/
static BOOL
EMFDRV_Polylinegon16( PHYSDEV dev, const POINT* pt, INT count, DWORD iType )
{
EMRPOLYLINE16 *emr;
DWORD size;
INT i;
BOOL ret;
/* check whether all points fit in the SHORT int POINT structure */
for(i = 0; i < count; i++) {
if( ((pt[i].x+0x8000) & ~0xffff ) ||
((pt[i].y+0x8000) & ~0xffff ) )
return FALSE;
}
size = sizeof(EMRPOLYLINE16) + sizeof(POINTS) * (count - 1);
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = iType;
emr->emr.nSize = size;
emr->rclBounds.left = emr->rclBounds.right = pt[0].x;
emr->rclBounds.top = emr->rclBounds.bottom = pt[0].y;
for(i = 1; i < count; i++) {
if(pt[i].x < emr->rclBounds.left)
emr->rclBounds.left = pt[i].x;
else if(pt[i].x > emr->rclBounds.right)
emr->rclBounds.right = pt[i].x;
if(pt[i].y < emr->rclBounds.top)
emr->rclBounds.top = pt[i].y;
else if(pt[i].y > emr->rclBounds.bottom)
emr->rclBounds.bottom = pt[i].y;
}
emr->cpts = count;
for(i = 0; i < count; i++ ) {
emr->apts[i].x = pt[i].x;
emr->apts[i].y = pt[i].y;
}
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
INT CDECL EMFDRV_SetDIBitsToDevice(
PHYSDEV dev, INT xDst, INT yDst, DWORD width, DWORD height,
INT xSrc, INT ySrc, UINT startscan, UINT lines,
LPCVOID bits, const BITMAPINFO *info, UINT wUsage )
{
EMRSETDIBITSTODEVICE* pEMR;
DWORD size, bmiSize, bitsSize;
bmiSize = bitmap_info_size(info, wUsage);
bitsSize = DIB_GetDIBImageBytes( info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount );
size = sizeof(EMRSETDIBITSTODEVICE) + bmiSize + bitsSize;
pEMR = HeapAlloc(GetProcessHeap(), 0, size);
if (!pEMR) return 0;
pEMR->emr.iType = EMR_SETDIBITSTODEVICE;
pEMR->emr.nSize = size;
pEMR->rclBounds.left = xDst;
pEMR->rclBounds.top = yDst;
pEMR->rclBounds.right = xDst + width - 1;
pEMR->rclBounds.bottom = yDst + height - 1;
pEMR->xDest = xDst;
pEMR->yDest = yDst;
pEMR->xSrc = xSrc;
pEMR->ySrc = ySrc;
pEMR->cxSrc = width;
pEMR->cySrc = height;
pEMR->offBmiSrc = sizeof(EMRSETDIBITSTODEVICE);
pEMR->cbBmiSrc = bmiSize;
pEMR->offBitsSrc = sizeof(EMRSETDIBITSTODEVICE) + bmiSize;
pEMR->cbBitsSrc = bitsSize;
pEMR->iUsageSrc = wUsage;
pEMR->iStartScan = startscan;
pEMR->cScans = lines;
memcpy((BYTE*)pEMR + pEMR->offBmiSrc, info, bmiSize);
memcpy((BYTE*)pEMR + pEMR->offBitsSrc, bits, bitsSize);
if (EMFDRV_WriteRecord(dev, (EMR*)pEMR))
EMFDRV_UpdateBBox(dev, &(pEMR->rclBounds));
HeapFree( GetProcessHeap(), 0, pEMR);
return lines;
}
/**********************************************************************
* EMFDRV_PolyPolylinegon
*
* Helper for EMFDRV_PolyPoly{line|gon}
*/
static BOOL
EMFDRV_PolyPolylinegon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polys,
DWORD iType)
{
EMRPOLYPOLYLINE *emr;
DWORD cptl = 0, poly, size;
INT point;
RECTL bounds;
const POINT *pts;
BOOL ret;
bounds.left = bounds.right = pt[0].x;
bounds.top = bounds.bottom = pt[0].y;
pts = pt;
for(poly = 0; poly < polys; poly++) {
cptl += counts[poly];
for(point = 0; point < counts[poly]; point++) {
if(bounds.left > pts->x) bounds.left = pts->x;
else if(bounds.right < pts->x) bounds.right = pts->x;
if(bounds.top > pts->y) bounds.top = pts->y;
else if(bounds.bottom < pts->y) bounds.bottom = pts->y;
pts++;
}
}
size = sizeof(EMRPOLYPOLYLINE) + (polys - 1) * sizeof(DWORD) +
(cptl - 1) * sizeof(POINTL);
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = iType;
emr->emr.nSize = size;
emr->rclBounds = bounds;
emr->nPolys = polys;
emr->cptl = cptl;
memcpy(emr->aPolyCounts, counts, polys * sizeof(DWORD));
memcpy(emr->aPolyCounts + polys, pt, cptl * sizeof(POINTL));
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
/***********************************************************************
* EMFDRV_SetPixel
*/
COLORREF EMFDRV_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
{
EMRSETPIXELV emr;
emr.emr.iType = EMR_SETPIXELV;
emr.emr.nSize = sizeof(emr);
emr.ptlPixel.x = x;
emr.ptlPixel.y = y;
emr.crColor = color;
if (EMFDRV_WriteRecord( dev, &emr.emr )) {
RECTL bounds;
bounds.left = bounds.right = x;
bounds.top = bounds.bottom = y;
EMFDRV_UpdateBBox( dev, &bounds );
return color;
}
return -1;
}
/* helper for path stroke and fill functions */
static BOOL emfdrv_stroke_and_fill_path( PHYSDEV dev, INT type )
{
EMRSTROKEANDFILLPATH emr;
struct gdi_path *path;
POINT *points;
BYTE *flags;
emr.emr.iType = type;
emr.emr.nSize = sizeof(emr);
if ((path = get_gdi_flat_path( dev->hdc, NULL )))
{
int count = get_gdi_path_data( path, &points, &flags );
get_points_bounds( &emr.rclBounds, points, count, 0 );
free_gdi_path( path );
}
else emr.rclBounds = empty_bounds;
if (!EMFDRV_WriteRecord( dev, &emr.emr )) return FALSE;
if (!path) return FALSE;
EMFDRV_UpdateBBox( dev, &emr.rclBounds );
return TRUE;
}
BOOL CDECL EMFDRV_PatBlt( PHYSDEV dev, INT left, INT top,
INT width, INT height, DWORD rop )
{
EMRBITBLT emr;
BOOL ret;
emr.emr.iType = EMR_BITBLT;
emr.emr.nSize = sizeof(emr);
emr.rclBounds.left = left;
emr.rclBounds.top = top;
emr.rclBounds.right = left + width - 1;
emr.rclBounds.bottom = top + height - 1;
emr.xDest = left;
emr.yDest = top;
emr.cxDest = width;
emr.cyDest = height;
emr.dwRop = rop;
emr.xSrc = 0;
emr.ySrc = 0;
emr.xformSrc.eM11 = 1.0;
emr.xformSrc.eM12 = 0.0;
emr.xformSrc.eM21 = 0.0;
emr.xformSrc.eM22 = 1.0;
emr.xformSrc.eDx = 0.0;
emr.xformSrc.eDy = 0.0;
emr.crBkColorSrc = 0;
emr.iUsageSrc = 0;
emr.offBmiSrc = 0;
emr.cbBmiSrc = 0;
emr.offBitsSrc = 0;
emr.cbBitsSrc = 0;
ret = EMFDRV_WriteRecord( dev, &emr.emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr.rclBounds );
return ret;
}
/**********************************************************************
* EMFDRV_Polylinegon
*
* Helper for EMFDRV_Poly{line|gon}
*/
static BOOL
EMFDRV_Polylinegon( PHYSDEV dev, const POINT* pt, INT count, DWORD iType )
{
EMRPOLYLINE *emr;
DWORD size;
INT i;
BOOL ret;
size = sizeof(EMRPOLYLINE) + sizeof(POINTL) * (count - 1);
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = iType;
emr->emr.nSize = size;
emr->rclBounds.left = emr->rclBounds.right = pt[0].x;
emr->rclBounds.top = emr->rclBounds.bottom = pt[0].y;
for(i = 1; i < count; i++) {
if(pt[i].x < emr->rclBounds.left)
emr->rclBounds.left = pt[i].x;
else if(pt[i].x > emr->rclBounds.right)
emr->rclBounds.right = pt[i].x;
if(pt[i].y < emr->rclBounds.top)
emr->rclBounds.top = pt[i].y;
else if(pt[i].y > emr->rclBounds.bottom)
emr->rclBounds.bottom = pt[i].y;
}
emr->cptl = count;
memcpy(emr->aptl, pt, count * sizeof(POINTL));
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}
BOOL EMFDRV_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
{
EMRBITBLT emr;
BOOL ret;
emr.emr.iType = EMR_BITBLT;
emr.emr.nSize = sizeof(emr);
emr.rclBounds.left = dst->log_x;
emr.rclBounds.top = dst->log_y;
emr.rclBounds.right = dst->log_x + dst->log_width - 1;
emr.rclBounds.bottom = dst->log_y + dst->log_height - 1;
emr.xDest = dst->log_x;
emr.yDest = dst->log_y;
emr.cxDest = dst->log_width;
emr.cyDest = dst->log_height;
emr.dwRop = rop;
emr.xSrc = 0;
emr.ySrc = 0;
emr.xformSrc.eM11 = 1.0;
emr.xformSrc.eM12 = 0.0;
emr.xformSrc.eM21 = 0.0;
emr.xformSrc.eM22 = 1.0;
emr.xformSrc.eDx = 0.0;
emr.xformSrc.eDy = 0.0;
emr.crBkColorSrc = 0;
emr.iUsageSrc = 0;
emr.offBmiSrc = 0;
emr.cbBmiSrc = 0;
emr.offBitsSrc = 0;
emr.cbBitsSrc = 0;
ret = EMFDRV_WriteRecord( dev, &emr.emr );
if(ret)
EMFDRV_UpdateBBox( dev, &emr.rclBounds );
return ret;
}
static BOOL EMFDRV_BitBlockTransfer(
PHYSDEV devDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
PHYSDEV devSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc, DWORD rop,
DWORD emrType)
{
BOOL ret;
PEMRBITBLT pEMR;
UINT emrSize;
UINT bmiSize;
UINT bitsSize;
UINT size;
BITMAP BM;
WORD nBPP;
LPBITMAPINFOHEADER lpBmiH;
EMFDRV_PDEVICE* physDevSrc = (EMFDRV_PDEVICE*)devSrc;
HBITMAP hBitmap = GetCurrentObject(physDevSrc->hdc, OBJ_BITMAP);
if (emrType == EMR_BITBLT)
emrSize = sizeof(EMRBITBLT);
else if (emrType == EMR_STRETCHBLT)
emrSize = sizeof(EMRSTRETCHBLT);
else
return FALSE;
if(sizeof(BITMAP) != GetObjectW(hBitmap, sizeof(BITMAP), &BM))
return FALSE;
nBPP = BM.bmPlanes * BM.bmBitsPixel;
if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
bitsSize = DIB_GetDIBWidthBytes(BM.bmWidth, nBPP) * BM.bmHeight;
bmiSize = sizeof(BITMAPINFOHEADER) +
(nBPP <= 8 ? 1 << nBPP : 0) * sizeof(RGBQUAD);
size = emrSize + bmiSize + bitsSize;
pEMR = HeapAlloc(GetProcessHeap(), 0, size);
if (!pEMR) return FALSE;
/* Initialize EMR */
pEMR->emr.iType = emrType;
pEMR->emr.nSize = size;
pEMR->rclBounds.left = xDst;
pEMR->rclBounds.top = yDst;
pEMR->rclBounds.right = xDst + widthDst - 1;
pEMR->rclBounds.bottom = yDst + heightDst - 1;
pEMR->xDest = xDst;
pEMR->yDest = yDst;
pEMR->cxDest = widthDst;
pEMR->cyDest = heightDst;
pEMR->dwRop = rop;
pEMR->xSrc = xSrc;
pEMR->ySrc = ySrc;
pEMR->xformSrc.eM11 = 1.0; /** FIXME: */
pEMR->xformSrc.eM12 = 0.0; /** Setting default */
pEMR->xformSrc.eM21 = 0.0; /** value. */
pEMR->xformSrc.eM22 = 1.0; /** Where should we */
pEMR->xformSrc.eDx = 0.0; /** get that info */
pEMR->xformSrc.eDy = 0.0; /** ???? */
pEMR->crBkColorSrc = GetBkColor(physDevSrc->hdc);
pEMR->iUsageSrc = DIB_RGB_COLORS;
pEMR->offBmiSrc = emrSize;
pEMR->cbBmiSrc = bmiSize;
pEMR->offBitsSrc = emrSize + bmiSize;
pEMR->cbBitsSrc = bitsSize;
if (emrType == EMR_STRETCHBLT)
{
PEMRSTRETCHBLT pEMRStretch = (PEMRSTRETCHBLT)pEMR;
pEMRStretch->cxSrc = widthSrc;
pEMRStretch->cySrc = heightSrc;
}
/* Initialize BITMAPINFO structure */
lpBmiH = (LPBITMAPINFOHEADER)((BYTE*)pEMR + pEMR->offBmiSrc);
lpBmiH->biSize = sizeof(BITMAPINFOHEADER);
lpBmiH->biWidth = BM.bmWidth;
lpBmiH->biHeight = BM.bmHeight;
lpBmiH->biPlanes = BM.bmPlanes;
lpBmiH->biBitCount = nBPP;
/* Assume the bitmap isn't compressed and set the BI_RGB flag. */
lpBmiH->biCompression = BI_RGB;
lpBmiH->biSizeImage = bitsSize;
lpBmiH->biYPelsPerMeter = /* 1 meter = 39.37 inch */
MulDiv(GetDeviceCaps(physDevSrc->hdc,LOGPIXELSX),3937,100);
lpBmiH->biXPelsPerMeter =
MulDiv(GetDeviceCaps(physDevSrc->hdc,LOGPIXELSY),3937,100);
lpBmiH->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
/* Set biClrImportant to 0, indicating that all of the
device colors are important. */
lpBmiH->biClrImportant = 0;
/* Initialize bitmap bits */
if (GetDIBits(physDevSrc->hdc, hBitmap, 0, (UINT)lpBmiH->biHeight,
(BYTE*)pEMR + pEMR->offBitsSrc,
(LPBITMAPINFO)lpBmiH, DIB_RGB_COLORS))
{
ret = EMFDRV_WriteRecord(devDst, (EMR*)pEMR);
if (ret) EMFDRV_UpdateBBox(devDst, &(pEMR->rclBounds));
}
else
ret = FALSE;
HeapFree( GetProcessHeap(), 0, pEMR);
return ret;
}
BOOL EMFDRV_StretchBlt( PHYSDEV devDst, struct bitblt_coords *dst,
PHYSDEV devSrc, struct bitblt_coords *src, DWORD rop )
{
BOOL ret;
PEMRBITBLT pEMR;
UINT emrSize;
UINT bmiSize;
UINT bitsSize;
UINT size;
BITMAP BM;
WORD nBPP = 0;
LPBITMAPINFOHEADER lpBmiH;
HBITMAP hBitmap = NULL;
DWORD emrType;
if (devSrc->funcs == devDst->funcs) return FALSE; /* can't use a metafile DC as source */
if (src->log_width == dst->log_width && src->log_height == dst->log_height)
{
emrType = EMR_BITBLT;
emrSize = sizeof(EMRBITBLT);
}
else
{
emrType = EMR_STRETCHBLT;
emrSize = sizeof(EMRSTRETCHBLT);
}
hBitmap = GetCurrentObject(devSrc->hdc, OBJ_BITMAP);
if(sizeof(BITMAP) != GetObjectW(hBitmap, sizeof(BITMAP), &BM))
return FALSE;
nBPP = BM.bmPlanes * BM.bmBitsPixel;
if(nBPP > 8) nBPP = 24; /* FIXME Can't get 16bpp to work for some reason */
bitsSize = get_dib_stride( BM.bmWidth, nBPP ) * BM.bmHeight;
bmiSize = sizeof(BITMAPINFOHEADER) +
(nBPP <= 8 ? 1 << nBPP : 0) * sizeof(RGBQUAD);
size = emrSize + bmiSize + bitsSize;
pEMR = HeapAlloc(GetProcessHeap(), 0, size);
if (!pEMR) return FALSE;
/* Initialize EMR */
pEMR->emr.iType = emrType;
pEMR->emr.nSize = size;
pEMR->rclBounds.left = dst->log_x;
pEMR->rclBounds.top = dst->log_y;
pEMR->rclBounds.right = dst->log_x + dst->log_width - 1;
pEMR->rclBounds.bottom = dst->log_y + dst->log_height - 1;
pEMR->xDest = dst->log_x;
pEMR->yDest = dst->log_y;
pEMR->cxDest = dst->log_width;
pEMR->cyDest = dst->log_height;
pEMR->dwRop = rop;
pEMR->xSrc = src->log_x;
pEMR->ySrc = src->log_y;
GetTransform(devSrc->hdc, 0x204, &pEMR->xformSrc);
pEMR->crBkColorSrc = GetBkColor(devSrc->hdc);
pEMR->iUsageSrc = DIB_RGB_COLORS;
pEMR->offBmiSrc = emrSize;
pEMR->offBitsSrc = emrSize + bmiSize;
pEMR->cbBmiSrc = bmiSize;
pEMR->cbBitsSrc = bitsSize;
if (emrType == EMR_STRETCHBLT)
{
PEMRSTRETCHBLT pEMRStretch = (PEMRSTRETCHBLT)pEMR;
pEMRStretch->cxSrc = src->log_width;
pEMRStretch->cySrc = src->log_height;
}
/* Initialize BITMAPINFO structure */
lpBmiH = (LPBITMAPINFOHEADER)((BYTE*)pEMR + pEMR->offBmiSrc);
lpBmiH->biSize = sizeof(BITMAPINFOHEADER);
lpBmiH->biWidth = BM.bmWidth;
lpBmiH->biHeight = BM.bmHeight;
lpBmiH->biPlanes = BM.bmPlanes;
lpBmiH->biBitCount = nBPP;
/* Assume the bitmap isn't compressed and set the BI_RGB flag. */
lpBmiH->biCompression = BI_RGB;
lpBmiH->biSizeImage = bitsSize;
lpBmiH->biYPelsPerMeter = 0;
lpBmiH->biXPelsPerMeter = 0;
lpBmiH->biClrUsed = nBPP <= 8 ? 1 << nBPP : 0;
/* Set biClrImportant to 0, indicating that all of the
device colors are important. */
lpBmiH->biClrImportant = 0;
/* Initialize bitmap bits */
if (GetDIBits(devSrc->hdc, hBitmap, 0, (UINT)lpBmiH->biHeight,
(BYTE*)pEMR + pEMR->offBitsSrc,
(LPBITMAPINFO)lpBmiH, DIB_RGB_COLORS))
{
ret = EMFDRV_WriteRecord(devDst, (EMR*)pEMR);
if (ret) EMFDRV_UpdateBBox(devDst, &(pEMR->rclBounds));
}
else
ret = FALSE;
HeapFree( GetProcessHeap(), 0, pEMR);
return ret;
}
/**********************************************************************
* EMFDRV_ExtTextOut
*/
BOOL EMFDRV_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags,
const RECT *lprect, LPCWSTR str, UINT count,
const INT *lpDx )
{
EMREXTTEXTOUTW *pemr;
DWORD nSize;
BOOL ret;
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
int textHeight = 0;
int textWidth = 0;
const UINT textAlign = GetTextAlign(physDev->hdc);
nSize = sizeof(*pemr) + ((count+1) & ~1) * sizeof(WCHAR) + count * sizeof(INT);
TRACE("%s %s count %d nSize = %ld\n", debugstr_wn(str, count),
wine_dbgstr_rect(lprect), count, nSize);
pemr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nSize);
pemr->emr.iType = EMR_EXTTEXTOUTW;
pemr->emr.nSize = nSize;
pemr->iGraphicsMode = GetGraphicsMode(physDev->hdc);
pemr->exScale = pemr->eyScale = 1.0; /* FIXME */
pemr->emrtext.ptlReference.x = x;
pemr->emrtext.ptlReference.y = y;
pemr->emrtext.nChars = count;
pemr->emrtext.offString = sizeof(*pemr);
memcpy((char*)pemr + pemr->emrtext.offString, str, count * sizeof(WCHAR));
pemr->emrtext.fOptions = flags;
if(!lprect) {
pemr->emrtext.rcl.left = pemr->emrtext.rcl.top = 0;
pemr->emrtext.rcl.right = pemr->emrtext.rcl.bottom = -1;
} else {
pemr->emrtext.rcl.left = lprect->left;
pemr->emrtext.rcl.top = lprect->top;
pemr->emrtext.rcl.right = lprect->right;
pemr->emrtext.rcl.bottom = lprect->bottom;
}
pemr->emrtext.offDx = pemr->emrtext.offString + ((count+1) & ~1) * sizeof(WCHAR);
if(lpDx) {
UINT i;
SIZE strSize;
memcpy((char*)pemr + pemr->emrtext.offDx, lpDx, count * sizeof(INT));
for (i = 0; i < count; i++) {
textWidth += lpDx[i];
}
GetTextExtentPoint32W(physDev->hdc, str, count, &strSize);
textHeight = strSize.cy;
}
else {
UINT i;
INT *dx = (INT *)((char*)pemr + pemr->emrtext.offDx);
SIZE charSize;
for (i = 0; i < count; i++) {
GetTextExtentPoint32W(physDev->hdc, str + i, 1, &charSize);
dx[i] = charSize.cx;
textWidth += charSize.cx;
textHeight = max(textHeight, charSize.cy);
}
}
switch (textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER)) {
case TA_CENTER: {
pemr->rclBounds.left = x - (textWidth / 2) - 1;
pemr->rclBounds.right = x + (textWidth / 2) + 1;
break;
}
case TA_RIGHT: {
pemr->rclBounds.left = x - textWidth - 1;
pemr->rclBounds.right = x;
break;
}
default: { /* TA_LEFT */
pemr->rclBounds.left = x;
pemr->rclBounds.right = x + textWidth + 1;
}
}
switch (textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE)) {
case TA_BASELINE: {
TEXTMETRICW tm;
GetTextMetricsW(physDev->hdc, &tm);
/* Play safe here... it's better to have a bounding box */
/* that is too big than too small. */
pemr->rclBounds.top = y - textHeight - 1;
pemr->rclBounds.bottom = y + tm.tmDescent + 1;
break;
}
case TA_BOTTOM: {
pemr->rclBounds.top = y - textHeight - 1;
pemr->rclBounds.bottom = y;
break;
}
default: { /* TA_TOP */
pemr->rclBounds.top = y;
pemr->rclBounds.bottom = y + textHeight + 1;
}
}
ret = EMFDRV_WriteRecord( dev, &pemr->emr );
if(ret)
EMFDRV_UpdateBBox( dev, &pemr->rclBounds );
HeapFree( GetProcessHeap(), 0, pemr );
return ret;
}
/**********************************************************************
* EMFDRV_ExtTextOut
*/
BOOL EMFDRV_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *lprect,
LPCWSTR str, UINT count, const INT *lpDx )
{
EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
DC *dc = get_physdev_dc( dev );
EMREXTTEXTOUTW *pemr;
DWORD nSize;
BOOL ret;
int textHeight = 0;
int textWidth = 0;
const UINT textAlign = dc->textAlign;
const INT graphicsMode = dc->GraphicsMode;
FLOAT exScale, eyScale;
nSize = sizeof(*pemr) + ((count+1) & ~1) * sizeof(WCHAR) + count * sizeof(INT);
TRACE("%s %s count %d nSize = %d\n", debugstr_wn(str, count),
wine_dbgstr_rect(lprect), count, nSize);
pemr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nSize);
if (graphicsMode == GM_COMPATIBLE)
{
const INT horzSize = GetDeviceCaps( dev->hdc, HORZSIZE );
const INT horzRes = GetDeviceCaps( dev->hdc, HORZRES );
const INT vertSize = GetDeviceCaps( dev->hdc, VERTSIZE );
const INT vertRes = GetDeviceCaps( dev->hdc, VERTRES );
SIZE wndext, vportext;
GetViewportExtEx( dev->hdc, &vportext );
GetWindowExtEx( dev->hdc, &wndext );
exScale = 100.0 * ((FLOAT)horzSize / (FLOAT)horzRes) /
((FLOAT)wndext.cx / (FLOAT)vportext.cx);
eyScale = 100.0 * ((FLOAT)vertSize / (FLOAT)vertRes) /
((FLOAT)wndext.cy / (FLOAT)vportext.cy);
}
else
{
exScale = 0.0;
eyScale = 0.0;
}
pemr->emr.iType = EMR_EXTTEXTOUTW;
pemr->emr.nSize = nSize;
pemr->iGraphicsMode = graphicsMode;
pemr->exScale = exScale;
pemr->eyScale = eyScale;
pemr->emrtext.ptlReference.x = x;
pemr->emrtext.ptlReference.y = y;
pemr->emrtext.nChars = count;
pemr->emrtext.offString = sizeof(*pemr);
memcpy((char*)pemr + pemr->emrtext.offString, str, count * sizeof(WCHAR));
pemr->emrtext.fOptions = flags;
if(!lprect) {
pemr->emrtext.rcl.left = pemr->emrtext.rcl.top = 0;
pemr->emrtext.rcl.right = pemr->emrtext.rcl.bottom = -1;
} else {
pemr->emrtext.rcl.left = lprect->left;
pemr->emrtext.rcl.top = lprect->top;
pemr->emrtext.rcl.right = lprect->right;
pemr->emrtext.rcl.bottom = lprect->bottom;
}
pemr->emrtext.offDx = pemr->emrtext.offString + ((count+1) & ~1) * sizeof(WCHAR);
if(lpDx) {
UINT i;
SIZE strSize;
memcpy((char*)pemr + pemr->emrtext.offDx, lpDx, count * sizeof(INT));
for (i = 0; i < count; i++) {
textWidth += lpDx[i];
}
if (GetTextExtentPoint32W( dev->hdc, str, count, &strSize ))
textHeight = strSize.cy;
}
else {
UINT i;
INT *dx = (INT *)((char*)pemr + pemr->emrtext.offDx);
SIZE charSize;
for (i = 0; i < count; i++) {
if (GetTextExtentPoint32W( dev->hdc, str + i, 1, &charSize )) {
dx[i] = charSize.cx;
textWidth += charSize.cx;
textHeight = max(textHeight, charSize.cy);
}
}
}
if (physDev->path)
{
pemr->rclBounds.left = pemr->rclBounds.top = 0;
pemr->rclBounds.right = pemr->rclBounds.bottom = -1;
goto no_bounds;
}
/* FIXME: handle font escapement */
switch (textAlign & (TA_LEFT | TA_RIGHT | TA_CENTER)) {
case TA_CENTER: {
pemr->rclBounds.left = x - (textWidth / 2) - 1;
pemr->rclBounds.right = x + (textWidth / 2) + 1;
break;
}
case TA_RIGHT: {
pemr->rclBounds.left = x - textWidth - 1;
pemr->rclBounds.right = x;
break;
}
default: { /* TA_LEFT */
pemr->rclBounds.left = x;
pemr->rclBounds.right = x + textWidth + 1;
}
}
switch (textAlign & (TA_TOP | TA_BOTTOM | TA_BASELINE)) {
case TA_BASELINE: {
TEXTMETRICW tm;
if (!GetTextMetricsW( dev->hdc, &tm ))
tm.tmDescent = 0;
/* Play safe here... it's better to have a bounding box */
/* that is too big than too small. */
pemr->rclBounds.top = y - textHeight - 1;
pemr->rclBounds.bottom = y + tm.tmDescent + 1;
break;
}
case TA_BOTTOM: {
pemr->rclBounds.top = y - textHeight - 1;
pemr->rclBounds.bottom = y;
break;
}
default: { /* TA_TOP */
pemr->rclBounds.top = y;
pemr->rclBounds.bottom = y + textHeight + 1;
}
}
EMFDRV_UpdateBBox( dev, &pemr->rclBounds );
no_bounds:
ret = EMFDRV_WriteRecord( dev, &pemr->emr );
HeapFree( GetProcessHeap(), 0, pemr );
return ret;
}
/***********************************************************************
* EMFDRV_ArcChordPie
*/
static BOOL
EMFDRV_ArcChordPie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
INT xstart, INT ystart, INT xend, INT yend, DWORD iType )
{
INT temp, xCentre, yCentre, i;
double angleStart, angleEnd;
double xinterStart, yinterStart, xinterEnd, yinterEnd;
EMRARC emr;
RECTL bounds;
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
if(left == right || top == bottom) return FALSE;
if(left > right) {temp = left; left = right; right = temp;}
if(top > bottom) {temp = top; top = bottom; bottom = temp;}
if(GetGraphicsMode(physDev->hdc) == GM_COMPATIBLE) {
right--;
bottom--;
}
emr.emr.iType = iType;
emr.emr.nSize = sizeof(emr);
emr.rclBox.left = left;
emr.rclBox.top = top;
emr.rclBox.right = right;
emr.rclBox.bottom = bottom;
emr.ptlStart.x = xstart;
emr.ptlStart.y = ystart;
emr.ptlEnd.x = xend;
emr.ptlEnd.x = yend;
/* Now calculate the BBox */
xCentre = (left + right + 1) / 2;
yCentre = (top + bottom + 1) / 2;
xstart -= xCentre;
ystart -= yCentre;
xend -= xCentre;
yend -= yCentre;
/* invert y co-ords to get angle anti-clockwise from x-axis */
angleStart = atan2( -(double)ystart, (double)xstart);
angleEnd = atan2( -(double)yend, (double)xend);
/* These are the intercepts of the start/end lines with the arc */
xinterStart = (right - left + 1)/2 * cos(angleStart) + xCentre;
yinterStart = -(bottom - top + 1)/2 * sin(angleStart) + yCentre;
xinterEnd = (right - left + 1)/2 * cos(angleEnd) + xCentre;
yinterEnd = -(bottom - top + 1)/2 * sin(angleEnd) + yCentre;
if(angleStart < 0) angleStart += 2 * M_PI;
if(angleEnd < 0) angleEnd += 2 * M_PI;
if(angleEnd < angleStart) angleEnd += 2 * M_PI;
bounds.left = min(xinterStart, xinterEnd);
bounds.top = min(yinterStart, yinterEnd);
bounds.right = max(xinterStart, xinterEnd);
bounds.bottom = max(yinterStart, yinterEnd);
for(i = 0; i <= 8; i++) {
if(i * M_PI / 2 < angleStart) /* loop until we're past start */
continue;
if(i * M_PI / 2 > angleEnd) /* if we're past end we're finished */
break;
/* the arc touches the rectangle at the start of quadrant i, so adjust
BBox to reflect this. */
switch(i % 4) {
case 0:
bounds.right = right;
break;
case 1:
bounds.top = top;
break;
case 2:
bounds.left = left;
break;
case 3:
bounds.bottom = bottom;
break;
}
}
/* If we're drawing a pie then make sure we include the centre */
if(iType == EMR_PIE) {
if(bounds.left > xCentre) bounds.left = xCentre;
else if(bounds.right < xCentre) bounds.right = xCentre;
if(bounds.top > yCentre) bounds.top = yCentre;
else if(bounds.bottom < yCentre) bounds.right = yCentre;
}
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
return FALSE;
EMFDRV_UpdateBBox( dev, &bounds );
return TRUE;
}
/**********************************************************************
* EMFDRV_PolyPolylinegon
*
* Helper for EMFDRV_PolyPoly{line|gon}
*/
static BOOL
EMFDRV_PolyPolylinegon( PHYSDEV dev, const POINT* pt, const INT* counts, UINT polys,
DWORD iType)
{
EMRPOLYPOLYLINE *emr;
DWORD cptl = 0, poly, size, i;
INT point;
const RECTL empty = {0, 0, -1, -1};
RECTL bounds = empty;
const POINT *pts;
BOOL ret, use_small_emr = TRUE, bounds_valid = TRUE;
pts = pt;
for(poly = 0; poly < polys; poly++) {
cptl += counts[poly];
if(counts[poly] < 2) bounds_valid = FALSE;
for(point = 0; point < counts[poly]; point++) {
/* check whether all points fit in the SHORT int POINT structure */
if( ((pts->x+0x8000) & ~0xffff ) ||
((pts->y+0x8000) & ~0xffff ) )
use_small_emr = FALSE;
if(pts == pt) {
bounds.left = bounds.right = pts->x;
bounds.top = bounds.bottom = pts->y;
} else {
if(bounds.left > pts->x) bounds.left = pts->x;
else if(bounds.right < pts->x) bounds.right = pts->x;
if(bounds.top > pts->y) bounds.top = pts->y;
else if(bounds.bottom < pts->y) bounds.bottom = pts->y;
}
pts++;
}
}
if(!cptl) bounds_valid = FALSE;
size = FIELD_OFFSET(EMRPOLYPOLYLINE, aPolyCounts[polys]);
if(use_small_emr)
size += cptl * sizeof(POINTS);
else
size += cptl * sizeof(POINTL);
emr = HeapAlloc( GetProcessHeap(), 0, size );
emr->emr.iType = iType;
if(use_small_emr) emr->emr.iType += EMR_POLYPOLYLINE16 - EMR_POLYPOLYLINE;
emr->emr.nSize = size;
if(bounds_valid)
emr->rclBounds = bounds;
else
emr->rclBounds = empty;
emr->nPolys = polys;
emr->cptl = cptl;
if(polys)
{
memcpy( emr->aPolyCounts, counts, polys * sizeof(DWORD) );
if(cptl)
{
if(use_small_emr)
{
POINTS *out_pts = (POINTS *)(emr->aPolyCounts + polys);
for(i = 0; i < cptl; i++ )
{
out_pts[i].x = pt[i].x;
out_pts[i].y = pt[i].y;
}
}
else
memcpy( emr->aPolyCounts + polys, pt, cptl * sizeof(POINTL) );
}
}
ret = EMFDRV_WriteRecord( dev, &emr->emr );
if(ret && !bounds_valid)
{
ret = FALSE;
SetLastError( ERROR_INVALID_PARAMETER );
}
if(ret)
EMFDRV_UpdateBBox( dev, &emr->rclBounds );
HeapFree( GetProcessHeap(), 0, emr );
return ret;
}